On Thursday, March 13, 2014 10:23:20 AM Florent Parent wrote: ... > Hi Peter, > > The compute nodes are still at CentOS 5.10, but we're preparing a > transition. The NUMA issue is intriguing. Can you point us to more > information about this? Sure: https://bugzilla.redhat.com/show_bug.cgi?id=1065304 http://bugs.centos.org/view.php?id=6949 /Peter